# Arachnid/solidity-stringutils

Basic string utilities for Solidity

Repository: https://github.com/Arachnid/solidity-stringutils
Canonical: https://ross.abutalabs.com/products/solidity-stringutils
Language: Solidity
License: Apache-2.0
License Family: permissive
Last push: 2023-08-21T09:57:36+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3791, "days_push": 1108, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1154, forks 371 (observed 2026-08-28T04:03:47.528301+00:00)

## What it is
A string and slice utility library for Solidity smart contracts, providing efficient string manipulation via a lightweight 'slice' abstraction that minimizes gas costs. It supports operations like splitting, finding, concatenating, and length calculation on strings.

## Use cases
- split strings by delimiter in solidity contracts
- find substrings within strings on-chain
- manipulate strings cheaply in ethereum smart contracts
- count occurrences of a substring in solidity
- convert between strings and slices in solidity
- parse delimited data inside a smart contract

## When to choose
- you need string manipulation in Solidity with minimal gas overhead
- you want a well-known, widely used string utility library for Ethereum contracts
- you need slice-based operations like split, find, or concatenation on-chain

## When to avoid
- you are not developing Solidity or EVM-based contracts
- you need heavy string processing that would be too gas-expensive on-chain
- you need actively developed features, as the library is in maintenance mode

## Facets
- artifact type: library
- maturity: maintenance
- function: parser, serialization, developer-tools
- domain: programming-languages, developer-tools, blockchain
- platform: -
- tags: solidity, ethereum, string-manipulation, gas-optimization, smart-contracts

## Member repositories
- Arachnid/solidity-stringutils (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:47.528301+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:32:15.137248+00:00, confidence not recorded.
  - readme: https://github.com/Arachnid/solidity-stringutils (fetched 2026-08-28T04:03:47.528301+00:00, sha 0e8a482a9fa7)
- Data as of 2026-08-30T08:39:29.467469+00:00.